Company:  CATALYST HEALTH SOLUTIONS ...
Form Type:  4
Filing Date:  3/5/2012 
CIK:  0001090403 
Address:  800 KING FARM BOULEVARD 
City, State, Zip:  ROCKVILLE, Maryland 20850 
Telephone:  (301) 548-2900 
Fiscal Year:  12/31 
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES